In Israel, the bus companies have been incorporating speaker systems for all buses to announce every stop (this probably also exists in other parts of the world). Some would say this is for the blind but I choose to see the gift Hashem has given us. Previously I could always find an excuse to keep my head up and look around because I needed to know where to get off. Now, I can bury my head in a sefer and let the announcement tell me when it's time to look up. I think it's a great way to help guard myself and hope others can use this too.